./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:48:20,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:48:20,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:48:20,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:48:20,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:48:20,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:48:20,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:48:20,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:48:20,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:48:20,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:48:20,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:48:20,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:48:20,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:48:20,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:48:20,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:48:20,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:48:20,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:48:20,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:48:20,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:48:20,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:48:20,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:48:20,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:48:20,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:48:20,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:48:20,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:48:20,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:48:20,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:48:20,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:48:20,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:48:20,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:48:20,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:48:20,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:48:20,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:48:20,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:48:20,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:48:20,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:48:20,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:48:20,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:48:20,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:48:20,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:48:20,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:48:20,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:48:20,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:48:20,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:48:20,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:48:20,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:48:20,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:48:20,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:48:20,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:48:20,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:48:20,700 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:48:20,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:48:20,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:48:20,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:48:20,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:48:20,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:48:20,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:48:20,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:48:20,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:48:20,703 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:48:20,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:48:20,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:48:20,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:48:20,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:48:20,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:48:20,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:48:20,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:48:20,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:48:20,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:48:20,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:48:20,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:48:20,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:48:20,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:48:20,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:48:20,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:48:20,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:48:20,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2021-11-13 18:48:21,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:48:21,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:48:21,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:48:21,140 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:48:21,141 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:48:21,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-11-13 18:48:21,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/data/22e0cc7cc/fad90dd35b86428f893e3e1089042670/FLAG851d391ff [2021-11-13 18:48:21,811 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:48:21,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-11-13 18:48:21,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/data/22e0cc7cc/fad90dd35b86428f893e3e1089042670/FLAG851d391ff [2021-11-13 18:48:22,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/data/22e0cc7cc/fad90dd35b86428f893e3e1089042670 [2021-11-13 18:48:22,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:48:22,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:48:22,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:48:22,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:48:22,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:48:22,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245549b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22, skipping insertion in model container [2021-11-13 18:48:22,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:48:22,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:48:22,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-11-13 18:48:22,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:48:22,675 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:48:22,802 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-11-13 18:48:22,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:48:22,829 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:48:22,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22 WrapperNode [2021-11-13 18:48:22,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:48:22,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:48:22,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:48:22,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:48:22,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:48:22,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:48:22,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:48:22,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:48:22,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:22,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:48:22,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:48:22,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:48:22,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:48:22,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (1/1) ... [2021-11-13 18:48:23,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:48:23,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:23,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:23,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:48:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:48:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-13 18:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-13 18:48:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-13 18:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-13 18:48:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-13 18:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-13 18:48:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-13 18:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-13 18:48:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-13 18:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-13 18:48:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-13 18:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-13 18:48:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-13 18:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-13 18:48:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-13 18:48:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-13 18:48:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:48:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-13 18:48:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-13 18:48:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:48:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:48:23,996 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:48:23,996 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:48:23,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:23 BoogieIcfgContainer [2021-11-13 18:48:23,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:48:24,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:48:24,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:48:24,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:48:24,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:48:22" (1/3) ... [2021-11-13 18:48:24,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fbdaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:48:24, skipping insertion in model container [2021-11-13 18:48:24,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:22" (2/3) ... [2021-11-13 18:48:24,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fbdaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:48:24, skipping insertion in model container [2021-11-13 18:48:24,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:23" (3/3) ... [2021-11-13 18:48:24,008 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2021-11-13 18:48:24,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:48:24,014 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:48:24,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:48:24,106 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:48:24,106 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:48:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 73 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-13 18:48:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 18:48:24,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:48:24,152 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:24,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:48:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:24,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1140518048, now seen corresponding path program 1 times [2021-11-13 18:48:24,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:24,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205867722] [2021-11-13 18:48:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:24,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:48:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:48:24,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:24,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205867722] [2021-11-13 18:48:24,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205867722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:24,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:24,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:48:24,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137401595] [2021-11-13 18:48:24,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:24,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:48:24,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:24,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:48:24,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:48:24,607 INFO L87 Difference]: Start difference. First operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 73 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:48:24,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:24,674 INFO L93 Difference]: Finished difference Result 174 states and 233 transitions. [2021-11-13 18:48:24,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:48:24,677 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-13 18:48:24,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:48:24,691 INFO L225 Difference]: With dead ends: 174 [2021-11-13 18:48:24,691 INFO L226 Difference]: Without dead ends: 82 [2021-11-13 18:48:24,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:48:24,710 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:48:24,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 6.56ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 18:48:24,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-13 18:48:24,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-13 18:48:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.293103448275862) internal successors, (75), 65 states have internal predecessors, (75), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-13 18:48:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2021-11-13 18:48:24,790 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 23 [2021-11-13 18:48:24,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:48:24,791 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2021-11-13 18:48:24,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:48:24,792 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2021-11-13 18:48:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 18:48:24,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:48:24,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:24,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:48:24,799 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:48:24,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:24,805 INFO L85 PathProgramCache]: Analyzing trace with hash -862520954, now seen corresponding path program 1 times [2021-11-13 18:48:24,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:24,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164276765] [2021-11-13 18:48:24,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:24,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 18:48:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:24,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:48:24,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:24,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164276765] [2021-11-13 18:48:24,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164276765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:24,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:24,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:48:24,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566340169] [2021-11-13 18:48:24,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:24,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:48:24,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:24,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:48:24,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:48:24,978 INFO L87 Difference]: Start difference. First operand 82 states and 104 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:48:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:25,029 INFO L93 Difference]: Finished difference Result 130 states and 164 transitions. [2021-11-13 18:48:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:48:25,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-13 18:48:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:48:25,033 INFO L225 Difference]: With dead ends: 130 [2021-11-13 18:48:25,033 INFO L226 Difference]: Without dead ends: 73 [2021-11-13 18:48:25,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:48:25,036 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 12 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.24ms IncrementalHoareTripleChecker+Time [2021-11-13 18:48:25,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 4.72ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.24ms Time] [2021-11-13 18:48:25,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-13 18:48:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-13 18:48:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 59 states have internal predecessors, (68), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-13 18:48:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2021-11-13 18:48:25,069 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 24 [2021-11-13 18:48:25,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:48:25,070 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2021-11-13 18:48:25,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:48:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2021-11-13 18:48:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 18:48:25,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:48:25,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:25,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:48:25,073 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:48:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:25,073 INFO L85 PathProgramCache]: Analyzing trace with hash 855883978, now seen corresponding path program 1 times [2021-11-13 18:48:25,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:25,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307520843] [2021-11-13 18:48:25,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:25,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-13 18:48:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:25,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:48:25,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:25,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307520843] [2021-11-13 18:48:25,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307520843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:25,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:25,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:48:25,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652440979] [2021-11-13 18:48:25,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:25,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:48:25,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:25,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:48:25,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:48:25,195 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:48:25,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:25,583 INFO L93 Difference]: Finished difference Result 139 states and 178 transitions. [2021-11-13 18:48:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:48:25,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-11-13 18:48:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:48:25,585 INFO L225 Difference]: With dead ends: 139 [2021-11-13 18:48:25,586 INFO L226 Difference]: Without dead ends: 73 [2021-11-13 18:48:25,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:48:25,589 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 171 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 245.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.64ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 300.38ms IncrementalHoareTripleChecker+Time [2021-11-13 18:48:25,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 181 Invalid, 86 Unknown, 0 Unchecked, 5.64ms Time], IncrementalHoareTripleChecker [33 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 300.38ms Time] [2021-11-13 18:48:25,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-13 18:48:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-13 18:48:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 59 states have internal predecessors, (67), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-13 18:48:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2021-11-13 18:48:25,617 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 28 [2021-11-13 18:48:25,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:48:25,618 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2021-11-13 18:48:25,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:48:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2021-11-13 18:48:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 18:48:25,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:48:25,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:25,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:48:25,622 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:48:25,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:25,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1235179039, now seen corresponding path program 1 times [2021-11-13 18:48:25,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:25,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086739173] [2021-11-13 18:48:25,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:25,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-13 18:48:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:48:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-13 18:48:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:48:25,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:25,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086739173] [2021-11-13 18:48:25,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086739173] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:25,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:25,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:48:25,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911132942] [2021-11-13 18:48:25,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:25,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:48:25,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:25,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:48:25,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:48:25,788 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 18:48:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:26,306 INFO L93 Difference]: Finished difference Result 231 states and 294 transitions. [2021-11-13 18:48:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 18:48:26,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2021-11-13 18:48:26,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:48:26,320 INFO L225 Difference]: With dead ends: 231 [2021-11-13 18:48:26,320 INFO L226 Difference]: Without dead ends: 165 [2021-11-13 18:48:26,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-13 18:48:26,325 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 134 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 346.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.32ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 413.65ms IncrementalHoareTripleChecker+Time [2021-11-13 18:48:26,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 395 Invalid, 270 Unknown, 0 Unchecked, 8.32ms Time], IncrementalHoareTripleChecker [56 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 413.65ms Time] [2021-11-13 18:48:26,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-13 18:48:26,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 135. [2021-11-13 18:48:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 94 states have (on average 1.2872340425531914) internal successors, (121), 107 states have internal predecessors, (121), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2021-11-13 18:48:26,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-13 18:48:26,357 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 38 [2021-11-13 18:48:26,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:48:26,358 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-13 18:48:26,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 18:48:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-13 18:48:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 18:48:26,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:48:26,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:26,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:48:26,362 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:48:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:26,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1170742117, now seen corresponding path program 1 times [2021-11-13 18:48:26,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:26,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055850534] [2021-11-13 18:48:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:26,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:26,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-13 18:48:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-13 18:48:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:48:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:48:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:48:26,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:26,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055850534] [2021-11-13 18:48:26,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055850534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:26,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:26,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:48:26,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550175906] [2021-11-13 18:48:26,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:26,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:48:26,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:26,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:48:26,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:48:26,526 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 18:48:26,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:26,853 INFO L93 Difference]: Finished difference Result 220 states and 279 transitions. [2021-11-13 18:48:26,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:48:26,854 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2021-11-13 18:48:26,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:48:26,855 INFO L225 Difference]: With dead ends: 220 [2021-11-13 18:48:26,855 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 18:48:26,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:48:26,858 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 71 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 224.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.23ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 264.11ms IncrementalHoareTripleChecker+Time [2021-11-13 18:48:26,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 133 Invalid, 113 Unknown, 0 Unchecked, 2.23ms Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 264.11ms Time] [2021-11-13 18:48:26,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 18:48:26,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 18:48:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:48:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:48:26,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-11-13 18:48:26,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:48:26,861 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:48:26,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 18:48:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:48:26,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 18:48:26,864 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:48:26,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:48:26,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 18:48:27,575 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: true [2021-11-13 18:48:27,575 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2021-11-13 18:48:27,576 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2021-11-13 18:48:27,576 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2021-11-13 18:48:27,576 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2021-11-13 18:48:27,576 INFO L858 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2021-11-13 18:48:27,576 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 877 888) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-13 18:48:27,576 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2021-11-13 18:48:27,577 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 324 353) no Hoare annotation was computed. [2021-11-13 18:48:27,577 INFO L861 garLoopResultBuilder]: At program point L349(lines 324 353) the Hoare annotation is: true [2021-11-13 18:48:27,577 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 324 353) the Hoare annotation is: true [2021-11-13 18:48:27,577 INFO L858 garLoopResultBuilder]: For program point L345(line 345) no Hoare annotation was computed. [2021-11-13 18:48:27,577 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 342) no Hoare annotation was computed. [2021-11-13 18:48:27,577 INFO L861 garLoopResultBuilder]: At program point L338-1(lines 338 342) the Hoare annotation is: true [2021-11-13 18:48:27,578 INFO L858 garLoopResultBuilder]: For program point L335(line 335) no Hoare annotation was computed. [2021-11-13 18:48:27,578 INFO L861 garLoopResultBuilder]: At program point L334-2(lines 334 348) the Hoare annotation is: true [2021-11-13 18:48:27,578 INFO L861 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: true [2021-11-13 18:48:27,578 INFO L858 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2021-11-13 18:48:27,578 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 889 897) the Hoare annotation is: true [2021-11-13 18:48:27,578 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 889 897) no Hoare annotation was computed. [2021-11-13 18:48:27,578 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 889 897) no Hoare annotation was computed. [2021-11-13 18:48:27,579 INFO L858 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-11-13 18:48:27,579 INFO L854 garLoopResultBuilder]: At program point L857-2(lines 853 864) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,579 INFO L858 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2021-11-13 18:48:27,579 INFO L854 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,579 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2021-11-13 18:48:27,579 INFO L854 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,580 INFO L854 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,580 INFO L858 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2021-11-13 18:48:27,580 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-11-13 18:48:27,580 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 479) no Hoare annotation was computed. [2021-11-13 18:48:27,580 INFO L854 garLoopResultBuilder]: At program point L945(lines 940 947) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,580 INFO L854 garLoopResultBuilder]: At program point L466-1(lines 458 482) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-11-13 18:48:27,581 INFO L854 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,581 INFO L854 garLoopResultBuilder]: At program point L140-1(lines 121 145) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,581 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2021-11-13 18:48:27,581 INFO L854 garLoopResultBuilder]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-11-13 18:48:27,581 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2021-11-13 18:48:27,581 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-11-13 18:48:27,582 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-11-13 18:48:27,582 INFO L854 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,583 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,583 INFO L858 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2021-11-13 18:48:27,584 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2021-11-13 18:48:27,584 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2021-11-13 18:48:27,584 INFO L854 garLoopResultBuilder]: At program point L382(lines 378 384) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) [2021-11-13 18:48:27,584 INFO L854 garLoopResultBuilder]: At program point L444(lines 440 446) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:48:27,585 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-11-13 18:48:27,585 INFO L854 garLoopResultBuilder]: At program point L304-2(lines 298 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) [2021-11-13 18:48:27,585 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-11-13 18:48:27,585 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 18:48:27,586 INFO L858 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2021-11-13 18:48:27,586 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 18:48:27,586 INFO L861 garLoopResultBuilder]: At program point L317(lines 258 321) the Hoare annotation is: true [2021-11-13 18:48:27,586 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 18:48:27,586 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 415) no Hoare annotation was computed. [2021-11-13 18:48:27,587 INFO L854 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) [2021-11-13 18:48:27,587 INFO L858 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2021-11-13 18:48:27,587 INFO L854 garLoopResultBuilder]: At program point L437(lines 433 439) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:48:27,587 INFO L861 garLoopResultBuilder]: At program point L392(lines 385 394) the Hoare annotation is: true [2021-11-13 18:48:27,588 INFO L861 garLoopResultBuilder]: At program point L417(lines 398 420) the Hoare annotation is: true [2021-11-13 18:48:27,588 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 18:48:27,588 INFO L854 garLoopResultBuilder]: At program point L314(lines 267 315) the Hoare annotation is: false [2021-11-13 18:48:27,588 INFO L858 garLoopResultBuilder]: For program point L269(lines 268 313) no Hoare annotation was computed. [2021-11-13 18:48:27,588 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 309) no Hoare annotation was computed. [2021-11-13 18:48:27,589 INFO L854 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) [2021-11-13 18:48:27,589 INFO L854 garLoopResultBuilder]: At program point L311(lines 268 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) [2021-11-13 18:48:27,589 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2021-11-13 18:48:27,589 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-11-13 18:48:27,590 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2021-11-13 18:48:27,590 INFO L854 garLoopResultBuilder]: At program point L452(lines 447 455) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-13 18:48:27,590 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2021-11-13 18:48:27,590 INFO L858 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2021-11-13 18:48:27,590 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 865 876) the Hoare annotation is: true [2021-11-13 18:48:27,591 INFO L854 garLoopResultBuilder]: At program point L250(lines 235 253) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,591 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-11-13 18:48:27,591 INFO L858 garLoopResultBuilder]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2021-11-13 18:48:27,591 INFO L854 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,592 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2021-11-13 18:48:27,592 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,592 INFO L854 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,592 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 95 119) no Hoare annotation was computed. [2021-11-13 18:48:27,592 INFO L854 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,593 INFO L854 garLoopResultBuilder]: At program point L935(lines 930 938) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-13 18:48:27,593 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-11-13 18:48:27,593 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-11-13 18:48:27,593 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 179 189) the Hoare annotation is: true [2021-11-13 18:48:27,593 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2021-11-13 18:48:27,594 INFO L861 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: true [2021-11-13 18:48:27,594 INFO L858 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2021-11-13 18:48:27,594 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2021-11-13 18:48:27,598 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 18:48:27,599 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:48:27,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:48:27 BoogieIcfgContainer [2021-11-13 18:48:27,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:48:27,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:48:27,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:48:27,620 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:48:27,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:23" (3/4) ... [2021-11-13 18:48:27,624 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 18:48:27,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-13 18:48:27,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-13 18:48:27,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-13 18:48:27,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-13 18:48:27,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-13 18:48:27,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-13 18:48:27,633 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-13 18:48:27,633 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-13 18:48:27,633 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-13 18:48:27,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-11-13 18:48:27,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-13 18:48:27,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-13 18:48:27,644 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 18:48:27,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 18:48:27,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:48:27,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:48:27,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-11-13 18:48:27,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2021-11-13 18:48:27,674 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2021-11-13 18:48:27,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-13 18:48:27,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-11-13 18:48:27,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-11-13 18:48:27,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-11-13 18:48:27,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-13 18:48:27,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-13 18:48:27,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-13 18:48:27,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:48:27,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:48:27,708 INFO L158 Benchmark]: Toolchain (without parser) took 5610.92ms. Allocated memory was 88.1MB in the beginning and 136.3MB in the end (delta: 48.2MB). Free memory was 52.4MB in the beginning and 59.8MB in the end (delta: -7.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-13 18:48:27,709 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:48:27,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.01ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 52.1MB in the beginning and 80.7MB in the end (delta: -28.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-13 18:48:27,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.66ms. Allocated memory is still 113.2MB. Free memory was 80.7MB in the beginning and 78.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:48:27,710 INFO L158 Benchmark]: Boogie Preprocessor took 62.59ms. Allocated memory is still 113.2MB. Free memory was 78.1MB in the beginning and 76.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:48:27,711 INFO L158 Benchmark]: RCFGBuilder took 1003.80ms. Allocated memory is still 113.2MB. Free memory was 76.3MB in the beginning and 67.5MB in the end (delta: 8.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-13 18:48:27,711 INFO L158 Benchmark]: TraceAbstraction took 3619.01ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 67.3MB in the beginning and 66.1MB in the end (delta: 1.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-13 18:48:27,712 INFO L158 Benchmark]: Witness Printer took 87.87ms. Allocated memory is still 136.3MB. Free memory was 65.2MB in the beginning and 59.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:48:27,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.01ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 52.1MB in the beginning and 80.7MB in the end (delta: -28.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.66ms. Allocated memory is still 113.2MB. Free memory was 80.7MB in the beginning and 78.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.59ms. Allocated memory is still 113.2MB. Free memory was 78.1MB in the beginning and 76.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1003.80ms. Allocated memory is still 113.2MB. Free memory was 76.3MB in the beginning and 67.5MB in the end (delta: 8.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3619.01ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 67.3MB in the beginning and 66.1MB in the end (delta: 1.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 87.87ms. Allocated memory is still 136.3MB. Free memory was 65.2MB in the beginning and 59.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 944]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 400 SdHoareTripleChecker+Valid, 981.38ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 988 SdHoareTripleChecker+Invalid, 819.70ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 568 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 354 IncrementalHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 420 mSDtfsCounter, 354 mSolverCounterSat, 27.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 293 PreInvPairs, 315 NumberOfFragments, 352 HoareAnnotationTreeSize, 293 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 732 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-11-13 18:48:27,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641e0798-ff7d-423e-811b-af6ac9314ccd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE